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23919412 = 22111793037
BaseRepresentation
bin101101100111…
…1101100110100
31200000020021011
41123033230310
522110410122
62212402004
7410211616
oct133175464
950006234
1023919412
1112558010
128016304
134c563ca
143268db6
152177377
hex16cfb34

23919412 has 24 divisors (see below), whose sum is σ = 45934560. Its totient is φ = 10808160.

The previous prime is 23919397. The next prime is 23919419. The reversal of 23919412 is 21491932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23919419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6358 + ... + 9394.

It is an arithmetic number, because the mean of its divisors is an integer number (1913940).

Almost surely, 223919412 is an apocalyptic number.

23919412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23919412 is a deficient number, since it is larger than the sum of its proper divisors (22015148).

23919412 is a wasteful number, since it uses less digits than its factorization.

23919412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3229 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 23919412 is about 4890.7475911153. The cubic root of 23919412 is about 288.1266964420.

The spelling of 23919412 in words is "twenty-three million, nine hundred nineteen thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 179 358 716 1969 3037 3938 6074 7876 12148 33407 66814 133628 543623 1087246 2174492 5979853 11959706 23919412